Aha! Excessive hard work is counterproductive.
The idea that being good at something demands harried, exhausted martyrdom is a relatively new idea. “Only in recent history,” as Nassim Nicholas Taleb puts it, “has ‘working hard’ signalled pride rather than shame for lack of talent, finesse and, mostly, sprezzatura.” If we really want to be good at something, we should stop wasting time exhausting ourselves.
What some people call idleness is often the best investment by Ed Smith in New Statesman
We also believe that one must exert all effort to make her work look effortless. In time it becomes second nature.